oxides
Je vous emmène à travers mes vidéos découvrir mon expérience acquise depuis plus de 30 ans a silloner le globe entier à la recherche de pierres précieuses, de rencontre mémorables mais aussi de difficulté parfois …
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wolframite
ck_admin
March 24, 2021
Its name comes from the german, “ wolfram” being the name of tungsten, which is its main component. The hubnerite variety is rich in manganese, of a rather red color, transparent and in slices, it was named after the german Adolph Huebner. The ferberite variety
simpsonite
ck_admin
March 24, 2021
It was discovered in Australia and its name honors the Australian mineralogist Edward Sydney Simpson (1875-1939).